1. take - took - taken
2. make - made - made
3. have/has - had
4. build - built- built
5. can - couold - be able to
6. go -went- gone
2.There is a long river.
3.There are four houses.
4.There is one swing near the house.
7.There are some bushes in the garden.
8.There is a cat next to the dog.
1) am not drinking; am writing
2) don't drink; drink
3) Is your friend doing his homework now?
4) Does your friend go to school in the morning?
5) Look! The baby is sleeping.
6) The baby always sleeps after dinner
7) My grandmother doesn't work. She is on pension
8) My father isn't sleeping at the moment. He is working in the garden
9) I usually get up at seven o'clock in the morning
10) What is your sister doing now? - She is washing her face and hands
11) When do you usually come from school? - I come at three o'clock
12) Where does your cousin work? - He works at a hospital
13) Does your sister study at an institute? - No, she studies at school
14) My cousin goes to school every day
15) My mother isn't playing the piano at the moment. She plays the piano in the morning